EP2000574B1 - Rotierender Laugenbehälterkörper und Trommelwaschmaschine damit - Google Patents

Rotierender Laugenbehälterkörper und Trommelwaschmaschine damit Download PDF

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Publication number
EP2000574B1
EP2000574B1 EP08155978.3A EP08155978A EP2000574B1 EP 2000574 B1 EP2000574 B1 EP 2000574B1 EP 08155978 A EP08155978 A EP 08155978A EP 2000574 B1 EP2000574 B1 EP 2000574B1
Authority
EP
European Patent Office
Prior art keywords
rotating tub
tub body
sections
concave
convex
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP08155978.3A
Other languages
English (en)
French (fr)
Other versions
EP2000574A3 (de
EP2000574A2 (de
Inventor
Haeng Maan Jeong
Byoung Mock Kahm
Hong Yeol Lee
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Priority to EP20171863.2A priority Critical patent/EP3702508A1/de
Publication of EP2000574A2 publication Critical patent/EP2000574A2/de
Publication of EP2000574A3 publication Critical patent/EP2000574A3/de
Application granted granted Critical
Publication of EP2000574B1 publication Critical patent/EP2000574B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/02—Rotary receptacles, e.g. drums
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
    • D06F37/22—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations in machines with a receptacle rotating or oscillating about a horizontal axis
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/26—Casings; Tubs
    • D06F37/264—Tubs provided with reinforcing structures, e.g. ribs, inserts, braces
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/12—Casings; Tubs
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/02—Rotary receptacles, e.g. drums
    • D06F37/04—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
    • D06F37/06—Ribs, lifters, or rubbing means forming part of the receptacle
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/02—Rotary receptacles, e.g. drums
    • D06F37/12—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a vertical axis
    • D06F37/14—Ribs or rubbing means forming part of the receptacle
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Definitions

  • the present invention relates to a drum type washing machine having a cylindrical rotating tub body. More particularly, the present invention relates to a cylindrical rotating tub body, which is formed by rolling a plate such that both ends of the plate are connected to each other, and a drum-type washing machine having the same.
  • a drum-type washing machine is a device that washes laundry loaded in a drum by moving the laundry upward and then dropping the laundry from the top to the bottom of the drum.
  • a drum-type laundry machine according to the related art includes a housing forming an external appearance of the washing machine, a water tub, which is installed in the housing to contain water therein, and a rotating tub, which is rotatably installed in the water tub and rotates by receiving the rotating force generated from a driving motor. Therefore, as the rotating tub rotates in the water tub, the laundry moves upward together with washing water along an inner peripheral surface of the rotating tub and then drops, so that the laundry is washed.
  • the rotating tub includes a cylindrical rotating tub body, which is open at a front surface and a rear surface thereof, a front cover, which covers a front surface of the rotating tub body and has an opening at a center portion thereof to allow the laundry to be introduced into the rotating tub body, and a rear cover, which covers a rear surface of the rotating tub body and receives power from the driving motor.
  • the rotating tub is provided at an inner peripheral surface thereof with a plurality of lifters, which are spaced apart from each other in the circumferential direction to lift the laundry upward.
  • drum-type washing machine capable of improving washing efficiency using a concave-convex structure.
  • a drum-type washing machine a plurality of concave-convex sections are provided at an inner surface of a rotating tub body such that the laundry can be washed by the friction with the inner peripheral surface of the rotating tub, and lifter installation sections are formed in the circumferential direction alternately with the concave-convex section, so that the washing performance is improved due to the concave-convex structure.
  • the rotating tub body is manufactured in a cylindrical shape by rolling a plate having a predetermined length and width after forming the concave and convex structure and the lifter installation section on the plate, the lifter installation section having a relative low strength is extremely deformed as compared with the concave-convex structure.
  • the rotating tub body may be irregularly deformed about the lifter installation section.
  • DE 10 260 023 discloses a drum-type washing machine that comprises a rotating tub body and a water tub.
  • the rotating tub body comprises a plurality of lifter installation sections with corresponding lifters attached thereto.
  • the lifters are provided on an inner peripheral surface of the rotating tub body and are spaced apart from each other in circumferential direction.
  • the reinforcement sections may extend such that the reinforcement sections are located above and below the concave-convex sections when viewed in a width direction of the concave-convex sections.
  • the reinforcement sections may be formed on the frames while being spaced apart from the concave-convex sections.
  • the reinforcement sections may be formed by processing a portion of the rotating tub body such that the portion is recessed at a first side of the rotating tub body and is protruded at a second side of the rotating tub body.
  • the reinforcement sections may have a shape identical to a shape of the concave-convex parts included in the concave-convex sections.
  • the reinforcement sections may be disposed in parallel to the concave-convex parts located at both edges of the concave-convex sections.
  • drum-type washing machine which includes such rotating tub body.
  • a drum-type washing machine includes a housing 1, which forms an external appearance of the washing machine, a water tub 2, which is installed in the housing to contain water therein, a rotating tub 3, which is rotatably installed in the water tub 2, a driving motor 4, which transfers power to the rotating tub 3 to rotate the rotating tub 3 such that washing and dehydration processes are performed relative to laundry loaded in the rotating tub 3, and a shaft flange 5, which is fixed to a rear surface of the rotating tub 3 such that the driving force from the driving motor 4 is uniformly transferred to the rotating tub 3.
  • the water tub 2 and the rotating tub 3 are open at front center portions thereof such that the laundry is able to be introduced into the rotating tub 3 or to be withdrawn from the rotating tub 3.
  • a door 6 is hinged to the housing such that the open front portions of the water tub 2 and a rotating tub 3 are open/closed.
  • Lifters 33 are disposed on the inner peripheral surface of the rotating tub 3 such that the laundry moves upward and drops according to a reversible rotation of the rotating tub 3, thereby washing the laundry.
  • the rotating tub 3 includes a rotating tub body 30, which has a cylindrical shape and is transversely disposed with open front and rear sides, and a couple of covers 31 and 32 which cover the open front and rear sides of the rotating tub body 30.
  • the covers 31 and 32 include a front cover 31 which is open at a center portion while covering the front side of the rotating tub 30 such that the laundry is introduced into the rotating tub 3 and a rear cover 32, which covers the rear side of the rotating tub 3 and has a shaft flange 5 fixed thereto to receive power from the driving motor 4.
  • the rotating tub 3 includes a corrosion-resistant material such as aluminum, for example.
  • a plate P having a predetermined length and width is rolled into a cylindrical shape, and then opposite ends of the plate P are connected to each other through a welding process, so that the rotating tub body 30 is fabricated.
  • the front cover 31 and the rear cover 32 which are separately fabricated, are installed at both sides of the rotating tub body 30.
  • the plate P used for the rotating tub body 30 has a plurality of concave-convex sections 30a, which are formed lengthwise along the plate P while being spaced apart from each other.
  • Each concave-convex section 30a includes a plurality of concave-convex parts 30d (shown in FIG. 4 ) that cause friction between the laundry to effectively wash the laundry.
  • Lifter installation sections 30b are installed between the concave-convex sections 30a.
  • the lifter installation sections 30b have lifter installation holes 30g to install lifters 33 and are alternately formed with the concave-convex sections 30a lengthwise along the plate P.
  • frames 30c are formed at upper and lower portions of the plate P to allow the front cover 31 and the rear cover 32 to be installed thereon after the rotating tub body 30 is manufactured using the plate P.
  • the concave-convex part 30d included in the concave-convex section 30a is formed by recessing the plate P in a polygonal-conical shape.
  • the concave-convex section 30a is recessed in a quadrangular conical shape and a through-hole 30e is formed at a bottom point of the concave-convex section 30a to allow water to pass therethrough.
  • the cylindrical rotating tub body 30, in which the concave-convex section 30a and the lifter installation section 30b are alternately disposed on the inner peripheral surface of the rotating tub body 30 in the circumferential direction, can be obtained.
  • a reinforcement section 30f is formed to reinforce the strength of the lifter installation section 30b such that the lifter installation section 30b having a low strength relative to that of the concave-convex section 30a is prevented from being excessively deformed in the process of forming the rotating tub body 30 by rolling the plate P. Accordingly, the concave-convex section 30a and the lifter installation section 30b are uniformly deformed due to the reinforcement section 30f, so that the rotating tub body 30 is manufactured into a complete cylindrical shape.
  • the reinforcement sections 30f are formed at both sides of the lifter installation section 30b in the frame 30c, respectively.
  • the reinforcement sections 30f are formed such that a portion of the plate P forming the rotating tub body 30 is recessed to one side and protrudes to the other side.
  • the reinforcement section 30f serves to prevent the lifter installation section 30b from being extremely deformed in the rolling process, the reinforcement section 30f is formed lengthwise along the plate P and extends in a circumferential direction of the rotating tub body 30 when the fabricating of the reinforcement section 30f is completed.
  • the reinforcement section 30f extends from both ends of the lifter installation section 30b such that both ends of the reinforcement section 30f are located in the frame 30c corresponding to both sides of the concave-convex section 30a, so that a deformation is prevented from occurring at a boundary area between the concave-convex section 30a and the lifter installation section 30b.
  • the reinforcement section 30f is spaced apart from the concave-convex section 30a by a predetermined distance in a width direction of the plate P. That is, the reinforcement sections 30f are formed such that circumferential end portions of the reinforcement sections 30f are disposed at outer sides of two concave-convex sections 30a that are adjacent to each other.
  • the cylindrical rotating tub body is manufactured by rolling the plate P described above, a portion of force that has been applied to the lifter installation section 30b during the rolling process is supported by the reinforcement section 30f, so that the lifter installation section 30b is prevented from being excessively deformed. Accordingly, the concave-convex section 30a and the lifter installation section 30b are uniformly deformed, so that the rotating tub body 30 is manufactured in a complete cylindrical shape as compared with the conventional rotating tub body 30 without the reinforcement section 30f.
  • the reinforcement sections 30f are formed at both sides of the lifter installation section 30b, so that the deformation of the lifter installation section 30b is prevented when the rotating tub body is manufactured into the rotating tub body 30, thereby preventing the distortion of the rotating tub body 30.
  • the reinforcement sections 30f according to the present embodiment are formed by processing the plate P such that the plate P is recessed to one side and protrudes to the other side.
  • the present invention is not limited to the above embodiment.
  • the reinforcement sections 30f' may have a shape substantially identical to the shape of the concave-convex part 30d of the concave-convex section 30a.
  • each of the reinforcement sections 30f' is formed in parallel to the concave-convex parts 30d located at both edges of the concave-convex section 30a and extends on either side of the lifter installation section 30b.
  • a plurality of lifter installation sections 30b are formed on the rotating tub body 30 to mount the lifter 33 such that the lifter installation section 30b and the plural concave-convex sections 30a are alternatively formed on the rotating tub body 30, and the reinforcement section 30f is formed at both sides of the lifter installation section 30b.
  • the present embodiment is not limited thereto and the reinforcement section 30b may be applied to a rotating tub body which does not have the lifter. That is, in the case of the rotating tub body 30 having no lifter, the lifter installation section 30b is not provided, so that the plural concave-convex sections 30a are formed on the rotating tub body 30 while being spaced apart from each other in the circumferential direction of the rotating tub body 30.
  • the reinforcement section 30f extends in the circumferential direction of the rotating tub body 30 at both sides of the adjacent concave-convex sections 30a such that circumferentially both ends of the reinforcement section 30f are disposed at outer sides of the adjacent two concave-convex section 30a. Accordingly, a portion between the two concave-convex sections 30a is reinforced by the reinforcement section 30f.
  • the embodiment has been made in relation to a drum-type washing machine as an example, the present embodiments are not limited to the example and may be applied to another type of washing machine having a rotating tub body.
  • a drum-type washing machine can reinforce a lifter installation section having a strength lower than that of a concave-convex section by using a reinforcement section so that an extreme deformation of the lifter installation section is prevented during a rolling process. Accordingly, the concave-convex section and the lifter installation section are uniformly deformed, so that a rotating tub body is manufactured in a complete cylindrical shape.
  • the reinforcement section prevents the lifter installation section from being deformed, so that the distortion of the rotating tub body is prevented when the rotating tub body is fabricated for a rotating tub.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)

Claims (8)

  1. Rotierender Laugenbehälterkörper (30), der umfasst:
    Heber (33), die an einer inneren Umfangsfläche des rotierenden Laugenbehälterkörpers bereitgestellt werden und voneinander beabstandet sind,
    eine Vielzahl von Heberinstallationsabschnitten (30b), die an einer Platte (P) des rotierenden Laugenbehälterkörpers (30) bereitgestellt werden, um die Heber (33) zu installieren,
    dadurch gekennzeichnet, dass
    der rotierende Laugenbehälterkörper (30) des Weiteren umfasst:
    eine Vielzahl von konkav-konvexen Abschnitten (30a), die an der Platte (P) abwechselnd mit den Heberinstallationsabschnitten (30b) bereitgestellt werden,
    wobei jeder konkav-konvexe Abschnitt (30a) eine Vielzahl von konkav-konvexen Teilen (30d) umfasst,
    Verstärkungsabschnitte (30f, 30f'), die die Festigkeit der Heberinstallationsabschnitte (30b) verstärken, und Rahmen (30c), die an beiden Seiten der Platte (P) bereitgestellt werden, so dass Abdeckungen (31, 32) an den Rahmen installiert werden können, um beide Seiten des rotierenden Laugenbehälterkörpers (30) abzudecken, wobei die Verstärkungsabschnitte (30f, 30f'), die an den Rahmen entsprechend den beiden Seiten der Heberinstallationsabschnitte ausgebildet sind, in Längsrichtung entlang der Platte (P) gebildet werden und sich in einer Umfangsrichtung des rotierenden Laugenbehälterkörpers (30) erstrecken, wenn die Herstellung der Verstärkungsabschnitte (30f, 30f') abgeschlossen ist.
  2. Rotierender Laugenbehälterkörper (30) nach Anspruch 1, wobei sich die Verstärkungsabschnitte (30f, 30f') so erstrecken, dass sich beide Enden der Verstärkungsabschnitte (30f, 30f') in einer Breitenrichtung der konkav-konvexen Abschnitte (30a) gesehen über und unter den konkav-konvexen Abschnitten (30a) befinden.
  3. Rotierender Laugenbehälterkörper (30) nach Anspruch 2, wobei die Verstärkungsabschnitte (30f, 30f') an den Rahmen (30c) ausgebildet sind, während sie von den konkav-konvexen Abschnitten (30a) beabstandet sind.
  4. Rotierender Laugenbehälterkörper (30) nach Anspruch 1, wobei die Verstärkungsabschnitte (30f) durch Bearbeiten eines Teils des rotierenden Laugenbehälterkörpers (30) gebildet werden, so dass dieser Teil an einer ersten Seite des rotierenden Laugenbehälterkörpers (30) ausgespart ist und an einer zweiten Seite des rotierenden Laugenbehälterkörpers (30) vorsteht.
  5. Rotierender Laugenbehälterkörper (30) nach Anspruch 1, wobei die Verstärkungsabschnitte (30f') eine Form haben, die mit einer Form der in den konkav-konvexen Abschnitten (30a) enthaltenen konkav-konvexen Bauteile (30d) identisch ist.
  6. Rotierender Laugenbehälterkörper (30) nach Anspruch 5, wobei die Verstärkungsabschnitte (30f') zu den konkav-konvexen Bauteilen (30d) parallel angeordnet sind, die sich an beiden Rändern der konkav-konvexen Abschnitte (30a) befinden.
  7. Rotierender Laugenbehälterkörper (30) nach Anspruch 1, wobei der rotierende Laugenbehälterkörper (30) durch Walzen der Platte (P) mit einer vorgegebenen Länge und Breite in einer zylindrischen Form ausgebildet wird.
  8. Trommelwaschmaschine, die umfasst:
    den rotierenden Laugenbehälterkörper (30) mit einer zylindrischen Form nach einem der vorhergehenden Ansprüche.
EP08155978.3A 2007-06-07 2008-05-09 Rotierender Laugenbehälterkörper und Trommelwaschmaschine damit Active EP2000574B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20171863.2A EP3702508A1 (de) 2007-06-07 2008-05-09 Rotierender laugenbehälterkörper und trommelwaschmaschine damit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020070055701A KR101367112B1 (ko) 2007-06-07 2007-06-07 회전조 바디와 이를 갖춘 드럼세탁기

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP20171863.2A Division EP3702508A1 (de) 2007-06-07 2008-05-09 Rotierender laugenbehälterkörper und trommelwaschmaschine damit

Publications (3)

Publication Number Publication Date
EP2000574A2 EP2000574A2 (de) 2008-12-10
EP2000574A3 EP2000574A3 (de) 2014-04-02
EP2000574B1 true EP2000574B1 (de) 2020-04-29

Family

ID=39772999

Family Applications (2)

Application Number Title Priority Date Filing Date
EP20171863.2A Pending EP3702508A1 (de) 2007-06-07 2008-05-09 Rotierender laugenbehälterkörper und trommelwaschmaschine damit
EP08155978.3A Active EP2000574B1 (de) 2007-06-07 2008-05-09 Rotierender Laugenbehälterkörper und Trommelwaschmaschine damit

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP20171863.2A Pending EP3702508A1 (de) 2007-06-07 2008-05-09 Rotierender laugenbehälterkörper und trommelwaschmaschine damit

Country Status (4)

Country Link
US (2) US8256248B2 (de)
EP (2) EP3702508A1 (de)
KR (1) KR101367112B1 (de)
CN (1) CN101319454B (de)

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JP5479277B2 (ja) * 2010-09-01 2014-04-23 パナソニック株式会社 脱水装置
ITAN20110053A1 (it) * 2011-04-19 2012-10-20 Qs Group S P A Gruppo cestello e trascinatori per macchina lavabiancheria.
CN105220404A (zh) * 2014-06-20 2016-01-06 无锡小天鹅股份有限公司 洗衣机及其内筒
USD854766S1 (en) * 2017-04-25 2019-07-23 Samsung Electronics Co., Ltd. Paddle lighter for washing machine
EP3412823B1 (de) * 2017-06-08 2022-03-30 LG Electronics Inc. Trommel einer waschmaschine
USD852441S1 (en) 2017-09-29 2019-06-25 Whirlpool Corporation Lifter for a laundry treating appliance
JP7499757B2 (ja) * 2018-08-30 2024-06-14 エルジー エレクトロニクス インコーポレイティド 洗濯機
KR102650116B1 (ko) * 2018-09-11 2024-03-21 삼성전자주식회사 드럼 세탁기
US11898292B2 (en) * 2018-12-18 2024-02-13 Samsung Electronics Co., Ltd. Washing machine
EP3690105B1 (de) 2019-02-01 2021-03-10 LG Electronics Inc. Wäschebehandlungsvorrichtung

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Also Published As

Publication number Publication date
US8256248B2 (en) 2012-09-04
US20120304705A1 (en) 2012-12-06
EP2000574A3 (de) 2014-04-02
EP2000574A2 (de) 2008-12-10
KR20080107663A (ko) 2008-12-11
CN101319454B (zh) 2011-02-16
US20080302140A1 (en) 2008-12-11
KR101367112B1 (ko) 2014-02-26
EP3702508A1 (de) 2020-09-02
US8627691B2 (en) 2014-01-14
CN101319454A (zh) 2008-12-10

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